diff --git a/src/client.cpp b/src/client.cpp
index 4a85039..4965916 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -1,4 +1,3 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
 #include <Arduino.h>
 #include <NimBLEDevice.h>
 #include <FastLED.h>
diff --git a/src/ecdh_helper.h b/src/ecdh_helper.h
index b9b6d4f..edc70de 100644
--- a/src/ecdh_helper.h
+++ b/src/ecdh_helper.h
@@ -1,4 +1,3 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
 #pragma once
 
 #include <Arduino.h>
diff --git a/src/main.cpp b/src/main.cpp
index 5b6543e..f22cbdf 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,3 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
 #include <Arduino.h>
 #include <NimBLEDevice.h>
 #include <NimBLEAdvertising.h>